added data handler, pass scan ident for defaults to MessageMap::readFromFile()

src/ebusd/datahandler.cpp

@@ -0,0 +1,68 @@
+/*
+ * ebusd - daemon for communication with eBUS heating systems.
+ * Copyright (C) 2016-2017 John Baier <ebusd@ebusd.eu>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "datahandler.h"
+#include <vector>
+#ifdef HAVE_MQTT
+#	include "mqtthandler.h"
+#endif
+
+using namespace std;
+
+/** the final @a argp_child structure. */
+static const struct argp_child g_last_argp_child = {NULL, 0, NULL, 0};
+
+/** the list of @a argp_child structures. */
+static const struct argp_child* g_argp_children[
+#ifdef HAVE_MQTT
+						1
+#endif
+						+1
+];
+
+const struct argp_child* datahandler_getargs()
+{
+	size_t count = 0;
+#ifdef HAVE_MQTT
+	g_argp_children[count++] = mqtthandler_getargs();
+#endif
+	if (count>0) {
+		g_argp_children[count] = &g_last_argp_child;
+		return g_argp_children[0];
+	}
+	return NULL;
+}
+
+bool datahandler_register(BusHandler* busHandler, vector<DataHandler*>& handlers)
+{
+	bool success = true;
+#ifdef HAVE_MQTT
+	DataHandler* handler = mqtthandler_register(busHandler);
+	if (handler) {
+		handlers.push_back(handler);
+	} else {
+		success = false;
+	}
+#endif
+	return success;
+}
+
+void DataSink::notifyUpdate(Message* message)
+{
+	m_updatedMessages.push_back(message);
+}